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Finding the Fourth Proportional to 8,019.39, 11,064.99 and 4,660.26

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Solution

The fourth proportional to 8,019.39, 11,064.99 and 4,660.26 is: 6,430.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019.39 : 11,064.99 = 4,660.26 : x
  2. Step 2: Convert to fraction form
    8,019.39/11,064.99 = 4,660.26/x
  3. Step 3: Cross multiply
    8,019.39x = 11,064.99 × 4,660.26
  4. Step 4: Simplify right side
    8,019.39x = 51,565,730.30
  5. Step 5: Solve for x
    x = 51,565,730.30/8,019.39
  6. Step 6: Final answer
    x = 6,430.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.